Home / 1,038,223.10-1,556,470.65-439,643.90

Finding the Fourth Proportional to 1,038,223.10, 1,556,470.65 and 439,643.90

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Solution

The fourth proportional to 1,038,223.10, 1,556,470.65 and 439,643.90 is: 659,099.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,223.10 : 1,556,470.65 = 439,643.90 : x
  2. Step 2: Convert to fraction form
    1,038,223.10/1,556,470.65 = 439,643.90/x
  3. Step 3: Cross multiply
    1,038,223.10x = 1,556,470.65 × 439,643.90
  4. Step 4: Simplify right side
    1,038,223.10x = 684,292,826,801.54
  5. Step 5: Solve for x
    x = 684,292,826,801.54/1,038,223.10
  6. Step 6: Final answer
    x = 659,099.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.